Is radiometric dating reliable yahoo
An expert scientist summarizes: Since then, geologists have made many tens of thousands of radiometric age determinations, and they have refined the earlier estimates.
A key point is that it is no longer necessary simply to accept one chemical determination of a rock's age.
For the purposes of assessing accuracy, each of the methods is assumed to be applied in accordance with the established methods and technology.
By analogy, a stop watch will not keep accurate time if it is not wound, if it is not in good repair, or if the operator forgets to press the button.
Sediment columns giving an unbroken history for more than 25, years have been identified in about 30 locations around the world.Coral growth patterns are also seasonal and provide a long independent date history.